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- Title
Operating Energy Needed for Desalination Systems in Cogeneration Plants.
- Authors
Zeitoun, Obida
- Abstract
This study investigated the energy requirement for running desalination units coupled to cogeneration plants. Various cogeneration systems were explored using power- and heat-allocated approaches. The specific work and heat necessary for operating different desalination systems were determined. The investigation revealed that the specific work and heat remain consistent regardless of the desalination daily capacity. It was observed that the energy demand for operating a desalination system mainly relies on power plant efficiency. The investigation revealed that the energy demand for a plain multi-effect desalination system was lower than that for multi-effect desalination with thermal vapor compression. Additionally, the energy requirement for a multi-effect desalination system with preheaters was lower than that for plain multi-effect desalination. Comparisons also indicated that the energy demand of multi-stage flash exceeds that of different multi-effect desalination systems. Based on the primary thermal energy input, a universal performance ratio was used to evaluate the desalination unit performance. Furthermore, a new correlation was proposed to predict the universal performance ratio.
- Subjects
ENERGY consumption; SPECIFIC heat; POWER plants; GAS power plants
- Publication
Water (20734441), 2024, Vol 16, Issue 11, p1629
- ISSN
2073-4441
- Publication type
Article
- DOI
10.3390/w16111629